<template>
  <div id="Report">
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片试图 -->
    <el-card>
      <div id="main" style="width: 600px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from 'echarts'
import { getHttpReport  } from 'network/order'
//导入深拷贝插件
import _ from 'lodash'

export default {
  name: "Report",
  data() {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created() {
    
  },
  methods: {
    
  },
  //页面DOM渲染完成执行的生命周期函数
  mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))
    let respordata = {}
    getHttpReport().then(res => {
      if( res.meta.status !== 200) {         
        this.$message.error(res.meta.msg)
        return
      }
      else {
        respordata = res.data
        //合并数据
        const result = _.merge(res.data,this.options)
        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(result)
      }
    }).catch(err => {
      this.$message.error(err)
    })
    //准备数据配置项
    // 指定图表的配置项和数据
    var option = {
      title: {
        text: 'ECharts 入门示例'
      },
      tooltip: {},
      legend: {
        data: ['销量']
      },
      xAxis: {
        data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
      },
      yAxis: {},
      series: [
        {
          name: '销量',
          type: 'bar',
          data: [5, 20, 36, 10, 10, 20]
        }
      ]
    }   
  }
}
</script>

<style scoped>
</style>
